diff --git a/Changelog b/Changelog
index 86ecf413..50c8aeaa 100644
--- a/Changelog
+++ b/Changelog
@@ -13,6 +13,7 @@
   - Fixed drag offset when dragging too fast with mouse
   - Fixed bug where last tab index position wouldn't be remembered in case user
     had manually reordered tabs (#154)
+  - Fixed crash when hosting a QQuickWidget (#150)
 
 * v1.2.1 (unreleased)
   - Support for resizing dock widgets when they are in overlay/popup mode (autohide/sidebar feature)
diff --git a/src/private/DragController.cpp b/src/private/DragController.cpp
index 3f133859..887c0a05 100644
--- a/src/private/DragController.cpp
+++ b/src/private/DragController.cpp
@@ -648,6 +648,10 @@ static QWidgetOrQuick *qtTopLevelForHWND(HWND hwnd)
 {
     const QList<QWindow*> windows = qApp->topLevelWindows();
     for (QWindow *window : windows) {
+        if (!window->isVisible()) {
+            continue;
+        }
+
         if (hwnd == (HWND)window->winId()) {
             return DockRegistry::self()->topLevelForHandle(window);
         }